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Finding the Fourth Proportional to 171,649.60, 257,474.40 and 162,026.80

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Solution

The fourth proportional to 171,649.60, 257,474.40 and 162,026.80 is: 243,040.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,649.60 : 257,474.40 = 162,026.80 : x
  2. Step 2: Convert to fraction form
    171,649.60/257,474.40 = 162,026.80/x
  3. Step 3: Cross multiply
    171,649.60x = 257,474.40 × 162,026.80
  4. Step 4: Simplify right side
    171,649.60x = 41,717,753,113.92
  5. Step 5: Solve for x
    x = 41,717,753,113.92/171,649.60
  6. Step 6: Final answer
    x = 243,040.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.